Microsoft word - 规格书cp1270a.doc
About Vision technology
Vision Group is one of the largest manufacturers of rechargeable batteries in the world. We supply both VRLA and
lithium batteries. Worldwide sales and engineering centers support customers in portable digital products, UPS, motive,
Advantages of Vision LFP batteries
As a substitute for Lead Acid batteries, LiFePO4 rechargeable battery is our new product. Some of the main advantages are as follows:
＊ Safe technology, will not catch fire or explode when being overcharged, because:
(1).Fast charge capability that avoids lithium plating at the negative electrode；
(2).Dual plate laser-welded aluminum cell construction；
(3).Advanced vent technology to safely release gas pressure buildup；
(4).Center pin construction designed to allow efficient gas release and avoid internal mechanical deformation
＊ One third the weight of an equivalent lead acid battery;
＊ Over 2000 deep discharge cycles compared to typically around 300 for lead acid;
＊ More usable capacity than that of similar amp hour lead acid batteries;
＊ High discharge rate capability, 10C continuous, 20C pulse discharge;
＊ Unlike lead acid batteries, can be left in a partially discharged state for extended periods without causing
＊ Extremely low self discharge rate, about 1~2% per month;
＊ Does not suffer from "thermal runaway" .It is be accuse there is a special component called PTC insertion
(Positive temperature Coefficient).When temperature gets too high, PTC refrigerates by augmenting its
resistance, then current steps down until interior temperature gets normal.
＊ Can be used safely in wide ambient temperatures of -20 to 60 deg.C without any degradation in performance.
＊ Can be connected in series for higher voltages or parallel for higher capacity.
＊ Does not contain any toxic heavy metals such as lead, cadmium, nor any corrosive acids or alkalis thus making
LiFePO4 batteries the most environmentally friendly battery chemistry available;
V-LFP 12V Series Model
Vision Technology delivers safe lithium phosphate energy
storage solutions in standard lead-acid battery sizes for a wide
variety of applications.
The V-LFP 12V 7.5~10Ah Energy Storage Systems are a
¾ Built-in automatic protection for over-charge,
family of 12V battery modules and accessories. The 12V
over-discharge and over-temperature conditions
family is designed as a drop-in replacement for similar
sized lead-acid batteries offering twice the run-time and
nearly half the weight. The 12V series is designed for
¾ Communication of monitored data via Battery
lower voltage, lower power and longer run-time
applications.They are built with Vision LFP Technology
¾ Thousands of cycles,100% DOD,under normal
that offers outstanding intrinsic safety and excellent float
and cycle life resulting in low cost of ownership.
¾ Can be charged using most standard lead-acid
V-LFP 12V9Ah V-LFP 12V10Ah
Note: Do not use more than three series
Performance may vary depending on, but not limited to cell usage and application. If cell is used outside specifications, performance will diminish.
All specifications are subject to change without notice. All information provided herein is believed, but not guaranteed, to be current and accurate.
1) Apresente o seguinte algoritmo:Ler 2 valores, no caso variáveis A e B. Efetuar a soma das variáveis A e B implicando seu resultado na variável X. Apresentar o valor da variável X após a soma dos dois valores indicados. var a,b,x: realler (a)ler (b)x = a+bescrever (x)2) A fórmula para calcular a área de uma circunferência é: A = PiR2. Sendo que o valor de Pi= 3.14159 basta estabelecer
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